Effects of Acute Salinity Stress on the Histological and Bacterial Community Structure and Function in Intestine of Stichopus monotuberculatus
文献类型： 外文期刊
作者： Huang, Lianghua 1 ; Wang, Hui 4 ; Pan, Chuanyan 4 ; Yang, Xueming 4 ; Deng, Guoqing 1 ; Meng, Yaowen 1 ; Yu, Yongxiang 5 ; Chen, Xiuli 4 ; Zhong, Shengping 1 ;
作者机构： 1.Guangxi Univ Chinese Med, Inst Marine Drugs, Nanning 530200, Peoples R China
2.Guangxi Univ Chinese Med, Guangxi Key Lab Marine Drugs, Nanning 530200, Peoples R China
3.Hainan Univ, Coll Ecol, Haikou 570228, Peoples R China
4.Guangxi Acad Fishery Sci, Nanning 530021, Peoples R China
5.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Maricultural Organism Dis Control, Qingdao 266071, Peoples R China
关键词：
期刊名称：MARINE DRUGS （ 影响因子：5.4； 五年影响因子：5.6 ）
ISSN：
年卷期： 2024 年 22 卷 12 期
页码：
收录情况： SCI
摘要： This study focused on Stichopus monotuberculatus and conducted stress experiments at salinity levels of 20 parts per thousand and 40 parts per thousand. Intestinal histological changes and the structural characteristics of the intestinal flora of S. monotuberculatus under salinity stress were analyzed. The results show that acute salinity stress inflicts varying degrees of damage to the intestinal tissues of S. monotuberculatus. Salinity stress enhances the species diversity of intestinal flora in S. monotuberculatus. Eight phyla of bacteria are detected in the intestine of S. monotuberculatus. Dominant phyla include Proteobacteria, Firmicutes, and Actinobacteria. Furthermore, functional prediction reveals that acute salinity stress can significantly modify the abundance of pathways associated with nutrient and energy metabolism mediated by the intestinal flora of S. monotuberculatus. These results indicate that acute salinity stress induces pathological damage to the intestinal tissues of S. monotuberculatus, compromising the microbial habitat and leading to alterations in the intestinal flora composition. Additionally, S. monotuberculatus can mitigate salinity stress by adjusting the composition of its intestinal flora and the corresponding functional pathways.
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